When a rock goes through a cycle which changes its from or shape.
What is a rock cycle?
100
The DNA remains of a once living thing.
What is a fossil?
100
Is when rocks or minerals erode a way by weathering.
What is Erosion?
100
A era.
What is a span of time?
100
A blank is an isolated or spectacular surface rock outcrop.
What is A rock formation?
200
A rock begins as magma. Then it cools. Crystals form, then become igneous rocks. They break down into sediment which become sedimentary rocks. Then it melts into magma, and the blank starts again.
What is What happens in a part rock cycle?
200
How dose a blank.blank form when a dead animal or plant is covered by sediment. Then slowly slowly turns into rock, which becomes known as a blank.
What is How dose a fossil form?
200
Depending on what rocks/minerals are involved, blank of any surface can take anywhere from 5 minutes to millions of millions of years.
What is How long does erosion take?
200
A length or portion of time.
What is what is a period?
200
Sedimentary rocks are formed through the gradual accumulation of sediments: for example, sand on a beach or mud on a river bed. As the sediments are buried they.
What is rock formation?
300
How many stages in a rock cycle.
What is 6 stages?
300
How long does it take for fossils to form.
What is about 3.5 billion years?
300
Flat rivers. Sharp edged stones that early man used for hunting Cave sand crevices Paths and walkways.
What is When flash floods, rivers and streams slowly erode rock what do they create?
300
What era happened in 34 mya.
What is Cenozoic?
300
Metamorphic rock forms as a result of.
What is heat and pressure?
400
Magma come first.
What is the first stage of the rock cycle?
400
250 million years old.
What is How old are trilobites?
400
Tiny pieces of mud, rocks, clay, minerals and other debris.
What is sediment that is caused by erosion?
400
What period happened when it was 41.3 mya.
What is Paleogene?
400
Sedimentary rocks.
What is Fossils are found only in?
500
Igneous rocks.
What is Which type of rock is formed when molten?
500
A paleontologist.
What is Who studies fossils?
500
The breaking down of rocks into smaller particles such as sand and pebbles is.